int DtCameraGetAnimKeys( int cameraID, MIntArray *keyFrames ) { MStatus status; MObject shapeNode; MObject anim; MFnDependencyNode dgNode; MDagPath dagPath; int currKey, numKeys, keyTime, stat; MDagPath shapeDagPath; MItDependencyGraph::Direction direction = MItDependencyGraph::kUpstream; MItDependencyGraph::Traversal traversalType = MItDependencyGraph::kBreadthFirst; MItDependencyGraph::Level level = MItDependencyGraph::kNodeLevel; MFn::Type filter = MFn::kAnimCurve; // A quick check to see if the user has actually given us a valid // pointer. if ( !keyFrames ) { return 0; } stat = DtExt_CameraGetShapeNode( cameraID, shapeNode ); if ( 1 != stat ) { cerr << "Problems in cameraGetShapeNode" << endl; return 0; } MItDependencyGraph dgIter( shapeNode, filter, direction, traversalType, level, &status ); for ( ; !dgIter.isDone(); dgIter.next() ) { anim = dgIter.thisNode( &status ); MFnAnimCurve animCurve( anim, &status ); if ( MS::kSuccess == status ) { numKeys = animCurve.numKeyframes( &status ); for ( currKey = 0; currKey < numKeys; currKey++ ) { // Truncating values here; may need more control keyTime = (int) animCurve.time( currKey, &status ).value(); addElement( keyFrames, keyTime ); } } } return 1; }
MStatus AbcExport::doIt(const MArgList & args) { try { MStatus status; MTime oldCurTime = MAnimControl::currentTime(); MArgParser argData(syntax(), args, &status); if (argData.isFlagSet("help")) { MGlobal::displayInfo(util::getHelpText()); return MS::kSuccess; } bool verbose = argData.isFlagSet("verbose"); // If skipFrame is true, when going through the playback range of the // scene, as much frames are skipped when possible. This could cause // a problem for, time dependent solutions like // particle system / hair simulation bool skipFrame = true; if (argData.isFlagSet("dontSkipUnwrittenFrames")) skipFrame = false; double startEvaluationTime = DBL_MAX; if (argData.isFlagSet("preRollStartFrame")) { double startAt = 0.0; argData.getFlagArgument("preRollStartFrame", 0, startAt); startEvaluationTime = startAt; } unsigned int jobSize = argData.numberOfFlagUses("jobArg"); if (jobSize == 0) return status; // the frame range we will be iterating over for all jobs, // includes frames which are not skipped and the startAt offset std::set<double> allFrameRange; // this will eventually hold only the animated jobs. // its a list because we will be removing jobs from it std::list < AbcWriteJobPtr > jobList; for (unsigned int jobIndex = 0; jobIndex < jobSize; jobIndex++) { JobArgs jobArgs; MArgList jobArgList; argData.getFlagArgumentList("jobArg", jobIndex, jobArgList); MString jobArgsStr = jobArgList.asString(0); MStringArray jobArgsArray; { // parse the job arguments // e.g. -perFrameCallbackMel "print \"something\"" will be splitted to // [0] -perFrameCallbackMel // [1] print "something" enum State { kArgument, // parsing an argument (not quoted) kDoubleQuotedString, // parsing a double quoted string kSingleQuotedString, // parsing a single quoted string }; State state = kArgument; MString stringBuffer; for (unsigned int charIdx = 0; charIdx < jobArgsStr.numChars(); charIdx++) { MString ch = jobArgsStr.substringW(charIdx, charIdx); switch (state) { case kArgument: if (ch == " ") { // space terminates the current argument if (stringBuffer.length() > 0) { jobArgsArray.append(stringBuffer); stringBuffer.clear(); } // goto another argument state = kArgument; } else if (ch == "\"") { if (stringBuffer.length() > 0) { // double quote is part of the argument stringBuffer += ch; } else { // goto double quoted string state = kDoubleQuotedString; } } else if (ch == "'") { if (stringBuffer.length() > 0) { // single quote is part of the argument stringBuffer += ch; } else { // goto single quoted string state = kSingleQuotedString; } } else { stringBuffer += ch; } break; case kDoubleQuotedString: // double quote terminates the current string if (ch == "\"") { jobArgsArray.append(stringBuffer); stringBuffer.clear(); state = kArgument; } else if (ch == "\\") { // escaped character MString nextCh = (++charIdx < jobArgsStr.numChars()) ? jobArgsStr.substringW(charIdx, charIdx) : "\\"; if (nextCh == "n") stringBuffer += "\n"; else if (nextCh == "t") stringBuffer += "\t"; else if (nextCh == "r") stringBuffer += "\r"; else if (nextCh == "\\") stringBuffer += "\\"; else if (nextCh == "'") stringBuffer += "'"; else if (nextCh == "\"") stringBuffer += "\""; else stringBuffer += nextCh; } else { stringBuffer += ch; } break; case kSingleQuotedString: // single quote terminates the current string if (ch == "'") { jobArgsArray.append(stringBuffer); stringBuffer.clear(); state = kArgument; } else if (ch == "\\") { // escaped character MString nextCh = (++charIdx < jobArgsStr.numChars()) ? jobArgsStr.substringW(charIdx, charIdx) : "\\"; if (nextCh == "n") stringBuffer += "\n"; else if (nextCh == "t") stringBuffer += "\t"; else if (nextCh == "r") stringBuffer += "\r"; else if (nextCh == "\\") stringBuffer += "\\"; else if (nextCh == "'") stringBuffer += "'"; else if (nextCh == "\"") stringBuffer += "\""; else stringBuffer += nextCh; } else { stringBuffer += ch; } break; } } // the rest of the argument if (stringBuffer.length() > 0) { jobArgsArray.append(stringBuffer); } } // the frame range within this job std::vector< FrameRangeArgs > frameRanges(1); frameRanges.back().startTime = oldCurTime.value(); frameRanges.back().endTime = oldCurTime.value(); frameRanges.back().strideTime = 1.0; bool hasRange = false; bool hasRoot = false; bool sampleGeo = true; // whether or not to subsample geometry std::string fileName; bool asOgawa = true; unsigned int numJobArgs = jobArgsArray.length(); for (unsigned int i = 0; i < numJobArgs; ++i) { MString arg = jobArgsArray[i]; arg.toLowerCase(); if (arg == "-f" || arg == "-file") { if (i+1 >= numJobArgs) { MGlobal::displayError("File incorrectly specified."); return MS::kFailure; } fileName = jobArgsArray[++i].asChar(); } else if (arg == "-fr" || arg == "-framerange") { if (i+2 >= numJobArgs || !jobArgsArray[i+1].isDouble() || !jobArgsArray[i+2].isDouble()) { MGlobal::displayError("Frame Range incorrectly specified."); return MS::kFailure; } // this is not the first -frameRange argument, we are going // to add one more frame range to the frame range array. if (hasRange) { frameRanges.push_back(FrameRangeArgs()); } hasRange = true; frameRanges.back().startTime = jobArgsArray[++i].asDouble(); frameRanges.back().endTime = jobArgsArray[++i].asDouble(); // make sure start frame is smaller or equal to endTime if (frameRanges.back().startTime > frameRanges.back().endTime) { std::swap(frameRanges.back().startTime, frameRanges.back().endTime); } } else if (arg == "-frs" || arg == "-framerelativesample") { if (i+1 >= numJobArgs || !jobArgsArray[i+1].isDouble()) { MGlobal::displayError( "Frame Relative Sample incorrectly specified."); return MS::kFailure; } frameRanges.back().shutterSamples.insert( jobArgsArray[++i].asDouble()); } else if (arg == "-nn" || arg == "-nonormals") { jobArgs.noNormals = true; } else if (arg == "-pr" || arg == "-preroll") { frameRanges.back().preRoll = true; } else if (arg == "-ro" || arg == "-renderableonly") { jobArgs.excludeInvisible = true; } else if (arg == "-s" || arg == "-step") { if (i+1 >= numJobArgs || !jobArgsArray[i+1].isDouble()) { MGlobal::displayError("Step incorrectly specified."); return MS::kFailure; } frameRanges.back().strideTime = jobArgsArray[++i].asDouble(); } else if (arg == "-sl" || arg == "-selection") { jobArgs.useSelectionList = true; } else if (arg == "-sn" || arg == "-stripnamespaces") { if (i+1 >= numJobArgs || !jobArgsArray[i+1].isUnsigned()) { // the strip all namespaces case // so we pick a very LARGE number jobArgs.stripNamespace = 0xffffffff; } else { jobArgs.stripNamespace = jobArgsArray[++i].asUnsigned(); } } else if (arg == "-uv" || arg == "-uvwrite") { jobArgs.writeUVs = true; } else if (arg == "-wcs" || arg == "-writecolorsets") { jobArgs.writeColorSets = true; } else if (arg == "-wfs" || arg == "-writefacesets") { jobArgs.writeFaceSets = true; } else if (arg == "-wfg" || arg == "-wholeframegeo") { sampleGeo = false; } else if (arg == "-ws" || arg == "-worldspace") { jobArgs.worldSpace = true; } else if (arg == "-wuvs" || arg == "-writeuvsets") { jobArgs.writeUVSets = true; } else if (arg == "-wv" || arg == "-writevisibility") { jobArgs.writeVisibility = true; } else if (arg == "-as" || arg == "-autosubd") { jobArgs.autoSubd = true; } else if (arg == "-mfc" || arg == "-melperframecallback") { if (i+1 >= numJobArgs) { MGlobal::displayError( "melPerFrameCallback incorrectly specified."); return MS::kFailure; } jobArgs.melPerFrameCallback = jobArgsArray[++i].asChar(); } else if (arg == "-pfc" || arg == "-pythonperframecallback") { if (i+1 >= numJobArgs) { MGlobal::displayError( "pythonPerFrameCallback incorrectly specified."); return MS::kFailure; } jobArgs.pythonPerFrameCallback = jobArgsArray[++i].asChar(); } else if (arg == "-mpc" || arg == "-melpostjobcallback") { if (i+1 >= numJobArgs) { MGlobal::displayError( "melPostJobCallback incorrectly specified."); return MS::kFailure; } jobArgs.melPostCallback = jobArgsArray[++i].asChar(); } else if (arg == "-ppc" || arg == "-pythonpostjobcallback") { if (i+1 >= numJobArgs) { MGlobal::displayError( "pythonPostJobCallback incorrectly specified."); return MS::kFailure; } jobArgs.pythonPostCallback = jobArgsArray[++i].asChar(); } // geomArbParams - attribute filtering stuff else if (arg == "-atp" || arg == "-attrprefix") { if (i+1 >= numJobArgs) { MGlobal::displayError( "attrPrefix incorrectly specified."); return MS::kFailure; } jobArgs.prefixFilters.push_back(jobArgsArray[++i].asChar()); } else if (arg == "-a" || arg == "-attr") { if (i+1 >= numJobArgs) { MGlobal::displayError( "attr incorrectly specified."); return MS::kFailure; } jobArgs.attribs.insert(jobArgsArray[++i].asChar()); } // userProperties - attribute filtering stuff else if (arg == "-uatp" || arg == "-userattrprefix") { if (i+1 >= numJobArgs) { MGlobal::displayError( "userAttrPrefix incorrectly specified."); return MS::kFailure; } jobArgs.userPrefixFilters.push_back(jobArgsArray[++i].asChar()); } else if (arg == "-u" || arg == "-userattr") { if (i+1 >= numJobArgs) { MGlobal::displayError( "userAttr incorrectly specified."); return MS::kFailure; } jobArgs.userAttribs.insert(jobArgsArray[++i].asChar()); } else if (arg == "-rt" || arg == "-root") { if (i+1 >= numJobArgs) { MGlobal::displayError( "root incorrectly specified."); return MS::kFailure; } hasRoot = true; MString root = jobArgsArray[++i]; MSelectionList sel; if (sel.add(root) != MS::kSuccess) { MString warn = root; warn += " could not be select, skipping."; MGlobal::displayWarning(warn); continue; } unsigned int numRoots = sel.length(); for (unsigned int j = 0; j < numRoots; ++j) { MDagPath path; if (sel.getDagPath(j, path) != MS::kSuccess) { MString warn = path.fullPathName(); warn += " (part of "; warn += root; warn += " ) not a DAG Node, skipping."; MGlobal::displayWarning(warn); continue; } jobArgs.dagPaths.insert(path); } } else if (arg == "-ef" || arg == "-eulerfilter") { jobArgs.filterEulerRotations = true; } else if (arg == "-df" || arg == "-dataformat") { if (i+1 >= numJobArgs) { MGlobal::displayError( "dataFormat incorrectly specified."); return MS::kFailure; } MString dataFormat = jobArgsArray[++i]; dataFormat.toLowerCase(); if (dataFormat == "hdf") { asOgawa = false; } else if (dataFormat == "ogawa") { asOgawa = true; } } else { MString warn = "Ignoring unsupported flag: "; warn += jobArgsArray[i]; MGlobal::displayWarning(warn); } } // for i if (fileName == "") { MString error = "-file not specified."; MGlobal::displayError(error); return MS::kFailure; } { MString fileRule, expandName; MString alembicFileRule = "alembicCache"; MString alembicFilePath = "cache/alembic"; MString queryFileRuleCmd; queryFileRuleCmd.format("workspace -q -fre \"^1s\"", alembicFileRule); MString queryFolderCmd; queryFolderCmd.format("workspace -en `workspace -q -fre \"^1s\"`", alembicFileRule); // query the file rule for alembic cache MGlobal::executeCommand(queryFileRuleCmd, fileRule); if (fileRule.length() > 0) { // we have alembic file rule, query the folder MGlobal::executeCommand(queryFolderCmd, expandName); } else { // alembic file rule does not exist, create it MString addFileRuleCmd; addFileRuleCmd.format("workspace -fr \"^1s\" \"^2s\"", alembicFileRule, alembicFilePath); MGlobal::executeCommand(addFileRuleCmd); // save the workspace. maya may discard file rules on exit MGlobal::executeCommand("workspace -s"); // query the folder MGlobal::executeCommand(queryFolderCmd, expandName); } // resolve the expanded file rule if (expandName.length() == 0) { expandName = alembicFilePath; } // get the path to the alembic file rule MFileObject directory; directory.setRawFullName(expandName); MString directoryName = directory.resolvedFullName(); // make sure the cache folder exists if (!directory.exists()) { // create the cache folder MString createFolderCmd; createFolderCmd.format("sysFile -md \"^1s\"", directoryName); MGlobal::executeCommand(createFolderCmd); } // resolve the relative path MFileObject absoluteFile; absoluteFile.setRawFullName(fileName.c_str()); #if MAYA_API_VERSION < 201300 if (absoluteFile.resolvedFullName() != absoluteFile.expandedFullName()) { #else if (!MFileObject::isAbsolutePath(fileName.c_str())) { #endif // this is a relative path MString absoluteFileName = directoryName + "/" + fileName.c_str(); absoluteFile.setRawFullName(absoluteFileName); fileName = absoluteFile.resolvedFullName().asChar(); } else { fileName = absoluteFile.resolvedFullName().asChar(); } // check the path must exist before writing MFileObject absoluteFilePath; absoluteFilePath.setRawFullName(absoluteFile.path()); if (!absoluteFilePath.exists()) { MString error; error.format("Path ^1s does not exist!", absoluteFilePath.resolvedFullName()); MGlobal::displayError(error); return MS::kFailure; } // check the file is used by any AlembicNode in the scene MItDependencyNodes dgIter(MFn::kPluginDependNode); for (; !dgIter.isDone(); dgIter.next()) { MFnDependencyNode alembicNode(dgIter.thisNode()); if (alembicNode.typeName() != "AlembicNode") { continue; } MPlug abcFilePlug = alembicNode.findPlug("abc_File"); if (abcFilePlug.isNull()) { continue; } MFileObject alembicFile; alembicFile.setRawFullName(abcFilePlug.asString()); if (!alembicFile.exists()) { continue; } if (alembicFile.resolvedFullName() == absoluteFile.resolvedFullName()) { MString error = "Can't export to an Alembic file which is in use."; MGlobal::displayError(error); return MS::kFailure; } } std::ofstream ofs(fileName.c_str()); if (!ofs.is_open()) { MString error = MString("Can't write to file: ") + fileName.c_str(); MGlobal::displayError(error); return MS::kFailure; } ofs.close(); } // if -frameRelativeSample argument is not specified for a frame range, // we are assuming a -frameRelativeSample 0.0 for (std::vector<FrameRangeArgs>::iterator range = frameRanges.begin(); range != frameRanges.end(); ++range) { if (range->shutterSamples.empty()) range->shutterSamples.insert(0.0); } if (jobArgs.prefixFilters.empty()) { jobArgs.prefixFilters.push_back("ABC_"); } // the list of frame ranges for sampling std::vector<FrameRangeArgs> sampleRanges; std::vector<FrameRangeArgs> preRollRanges; for (std::vector<FrameRangeArgs>::const_iterator range = frameRanges.begin(); range != frameRanges.end(); ++range) { if (range->preRoll) preRollRanges.push_back(*range); else sampleRanges.push_back(*range); } // the list of frames written into the abc file std::set<double> geoSamples; std::set<double> transSamples; for (std::vector<FrameRangeArgs>::const_iterator range = sampleRanges.begin(); range != sampleRanges.end(); ++range) { for (double frame = range->startTime; frame <= range->endTime; frame += range->strideTime) { for (std::set<double>::const_iterator shutter = range->shutterSamples.begin(); shutter != range->shutterSamples.end(); ++shutter) { double curFrame = *shutter + frame; if (!sampleGeo) { double intFrame = (double)(int)( curFrame >= 0 ? curFrame + .5 : curFrame - .5); // only insert samples that are close to being an integer if (fabs(curFrame - intFrame) < 1e-4) { geoSamples.insert(curFrame); } } else { geoSamples.insert(curFrame); } transSamples.insert(curFrame); } } if (geoSamples.empty()) { geoSamples.insert(range->startTime); } if (transSamples.empty()) { transSamples.insert(range->startTime); } } bool isAcyclic = false; if (sampleRanges.empty()) { // no frame ranges or all frame ranges are pre-roll ranges hasRange = false; geoSamples.insert(frameRanges.back().startTime); transSamples.insert(frameRanges.back().startTime); } else { // check if the time range is even (cyclic) // otherwise, we will use acyclic // sub frames pattern std::vector<double> pattern( sampleRanges.begin()->shutterSamples.begin(), sampleRanges.begin()->shutterSamples.end()); std::transform(pattern.begin(), pattern.end(), pattern.begin(), std::bind2nd(std::plus<double>(), sampleRanges.begin()->startTime)); // check the frames against the pattern std::vector<double> timeSamples( transSamples.begin(), transSamples.end()); for (size_t i = 0; i < timeSamples.size(); i++) { // next pattern if (i % pattern.size() == 0 && i / pattern.size() > 0) { std::transform(pattern.begin(), pattern.end(), pattern.begin(), std::bind2nd(std::plus<double>(), sampleRanges.begin()->strideTime)); } // pattern mismatch, we use acyclic time sampling type if (timeSamples[i] != pattern[i % pattern.size()]) { isAcyclic = true; break; } } } // the list of frames to pre-roll std::set<double> preRollSamples; for (std::vector<FrameRangeArgs>::const_iterator range = preRollRanges.begin(); range != preRollRanges.end(); ++range) { for (double frame = range->startTime; frame <= range->endTime; frame += range->strideTime) { for (std::set<double>::const_iterator shutter = range->shutterSamples.begin(); shutter != range->shutterSamples.end(); ++shutter) { double curFrame = *shutter + frame; preRollSamples.insert(curFrame); } } if (preRollSamples.empty()) { preRollSamples.insert(range->startTime); } } if (jobArgs.dagPaths.size() > 1) { // check for validity of the DagPath relationships complexity : n^2 util::ShapeSet::const_iterator m, n; util::ShapeSet::const_iterator end = jobArgs.dagPaths.end(); for (m = jobArgs.dagPaths.begin(); m != end; ) { MDagPath path1 = *m; m++; for (n = m; n != end; n++) { MDagPath path2 = *n; if (util::isAncestorDescendentRelationship(path1,path2)) { MString errorMsg = path1.fullPathName(); errorMsg += " and "; errorMsg += path2.fullPathName(); errorMsg += " have an ancestor relationship."; MGlobal::displayError(errorMsg); return MS::kFailure; } } // for n } // for m } // no root is specified, and we aren't using a selection // so we'll try to translate the whole Maya scene by using all // children of the world as roots. else if (!hasRoot && !jobArgs.useSelectionList) { MSelectionList sel; #if MAYA_API_VERSION >= 201100 sel.add("|*", true); #else // older versions of Maya will not be able to find top level nodes // within namespaces sel.add("|*"); #endif unsigned int numRoots = sel.length(); for (unsigned int i = 0; i < numRoots; ++i) { MDagPath path; sel.getDagPath(i, path); jobArgs.dagPaths.insert(path); } } else if (hasRoot && jobArgs.dagPaths.empty()) { MString errorMsg = "No valid root nodes were specified."; MGlobal::displayError(errorMsg); return MS::kFailure; } else if (jobArgs.useSelectionList) { MSelectionList activeList; MGlobal::getActiveSelectionList(activeList); if (activeList.length() == 0) { MString errorMsg = "-selection specified but nothing is actively selected."; MGlobal::displayError(errorMsg); return MS::kFailure; } } AbcA::TimeSamplingPtr transTime, geoTime; if (hasRange) { if (isAcyclic) { // acyclic, uneven time sampling // e.g. [0.8, 1, 1.2], [2.8, 3, 3.2], .. not continuous // [0.8, 1, 1.2], [1.7, 2, 2.3], .. shutter different std::vector<double> samples( transSamples.begin(), transSamples.end()); std::transform(samples.begin(), samples.end(), samples.begin(), std::bind2nd(std::multiplies<double>(), util::spf())); transTime.reset(new AbcA::TimeSampling(AbcA::TimeSamplingType( AbcA::TimeSamplingType::kAcyclic), samples)); } else { // cyclic, even time sampling between time periods // e.g. [0.8, 1, 1.2], [1.8, 2, 2.2], ... std::vector<double> samples; double startTime = sampleRanges[0].startTime; double strideTime = sampleRanges[0].strideTime; for (std::set<double>::const_iterator shutter = sampleRanges[0].shutterSamples.begin(); shutter != sampleRanges[0].shutterSamples.end(); ++shutter) { samples.push_back((startTime + *shutter) * util::spf()); } if (samples.size() > 1) { Alembic::Util::uint32_t numSamples = static_cast<Alembic::Util::uint32_t>(samples.size()); transTime.reset( new AbcA::TimeSampling(AbcA::TimeSamplingType( numSamples, strideTime * util::spf()), samples)); } // uniform sampling else { transTime.reset(new AbcA::TimeSampling( strideTime * util::spf(), samples[0])); } } } else { // time ranges are not specified transTime.reset(new AbcA::TimeSampling()); } if (sampleGeo || !hasRange) { geoTime = transTime; } else { // sampling geo on whole frames if (isAcyclic) { // acyclic, uneven time sampling std::vector<double> samples( geoSamples.begin(), geoSamples.end()); // one more sample for setup() if (*transSamples.begin() != *geoSamples.begin()) samples.insert(samples.begin(), *transSamples.begin()); std::transform(samples.begin(), samples.end(), samples.begin(), std::bind2nd(std::multiplies<double>(), util::spf())); geoTime.reset(new AbcA::TimeSampling(AbcA::TimeSamplingType( AbcA::TimeSamplingType::kAcyclic), samples)); } else { double geoStride = sampleRanges[0].strideTime; if (geoStride < 1.0) geoStride = 1.0; double geoStart = *geoSamples.begin() * util::spf(); geoTime.reset(new AbcA::TimeSampling( geoStride * util::spf(), geoStart)); } } AbcWriteJobPtr job(new AbcWriteJob(fileName.c_str(), asOgawa, transSamples, transTime, geoSamples, geoTime, jobArgs)); jobList.push_front(job); // make sure we add additional whole frames, if we arent skipping // the inbetween ones if (!skipFrame && !allFrameRange.empty()) { double localMin = *(transSamples.begin()); std::set<double>::iterator last = transSamples.end(); last--; double localMax = *last; double globalMin = *(allFrameRange.begin()); last = allFrameRange.end(); last--; double globalMax = *last; // if the min of our current frame range is beyond // what we know about, pad a few more frames if (localMin > globalMax) { for (double f = globalMax; f < localMin; f++) { allFrameRange.insert(f); } } // if the max of our current frame range is beyond // what we know about, pad a few more frames if (localMax < globalMin) { for (double f = localMax; f < globalMin; f++) { allFrameRange.insert(f); } } } // right now we just copy over the translation samples since // they are guaranteed to contain all the geometry samples allFrameRange.insert(transSamples.begin(), transSamples.end()); // copy over the pre-roll samples allFrameRange.insert(preRollSamples.begin(), preRollSamples.end()); } // add extra evaluation run up, if necessary if (startEvaluationTime != DBL_MAX && !allFrameRange.empty()) { double firstFrame = *allFrameRange.begin(); for (double f = startEvaluationTime; f < firstFrame; ++f) { allFrameRange.insert(f); } } std::set<double>::iterator it = allFrameRange.begin(); std::set<double>::iterator itEnd = allFrameRange.end(); MComputation computation; computation.beginComputation(); // loop through every frame in the list, if a job has that frame in it's // list of transform or shape frames, then it will write out data and // call the perFrameCallback, if that frame is also the last one it has // to work on then it will also call the postCallback. // If it doesn't have this frame, then it does nothing for (; it != itEnd; it++) { if (verbose) { double frame = *it; MString info; info = frame; MGlobal::displayInfo(info); } MGlobal::viewFrame(*it); std::list< AbcWriteJobPtr >::iterator j = jobList.begin(); std::list< AbcWriteJobPtr >::iterator jend = jobList.end(); while (j != jend) { if (computation.isInterruptRequested()) return MS::kFailure; bool lastFrame = (*j)->eval(*it); if (lastFrame) { j = jobList.erase(j); } else j++; } } computation.endComputation(); // set the time back MGlobal::viewFrame(oldCurTime); return MS::kSuccess; } catch (Alembic::Util::Exception & e) { MString theError("Alembic Exception encountered: "); theError += e.what(); MGlobal::displayError(theError); return MS::kFailure; } catch (std::exception & e) { MString theError("std::exception encountered: "); theError += e.what(); MGlobal::displayError(theError); return MS::kFailure; } }
//********************************************************* // Name: processConnections // Desc: //********************************************************* MStatus BreakdownCommand::processConnections( MPlugArray &connections, unsigned int objID, MString objName ) { status = MS::kSuccess; bool skipProcessing = false; // Under certain conditions, the specified weight must be modified double actualBreakdownWeight = breakdownWeight; bool isBooleanValue = false; for( unsigned int j = 0; j < connections.length(); j++ ) { // If the attribute is a boolean or enum, keep its // breakdown value the same as its previous key value. // Weirdness can occur in things like visibility if( isBooleanDataType(connections[j]) || isEnumDataType(connections[j]) ) { // favour the previous key completely actualBreakdownWeight = 0.0; isBooleanValue = true; } else { actualBreakdownWeight = breakdownWeight; isBooleanValue = false; } // When the selectedAttrOnly flag is set, only process // attributes that have been selected in the channel box if( !selectedAttrOnly || isStrOnSelectedAttrList( connections[j].partialName() )) { if( connections[j].isKeyable() && !connections[j].isLocked() ) { MPlug currentPlug = connections[j]; MItDependencyGraph dgIter( currentPlug, MFn::kAnimCurve, MItDependencyGraph::kUpstream, MItDependencyGraph::kBreadthFirst, MItDependencyGraph::kNodeLevel, &status ); for( ; !dgIter.isDone(); dgIter.next() ) { MObjectArray nodePath; dgIter.getNodePath( nodePath ); /* // *** Original solution that didn't support Blend/Charater nodes *** // Only use the anim curves directly connected to the attributes // >1 on a breath first search is level 2. Root will always be // first in the path if( nodePath.length() > 2 ) break; */ // At a depth of 1 in the DAG, the animation nodes are directly // connected to animated object. However, if the depth is greater // than one then we must accomodate both PairBlend nodes and // Character Set nodes (which sit between the transform node and // the anim nodes. int nodeParentIndex = 1; if( nodePath.length() <= 2 || (nodePath.length() == 3 && (nodePath[nodeParentIndex].apiType() == MFn::kPairBlend || nodePath[nodeParentIndex].apiType() == MFn::kCharacter )) ) { MObject anim = dgIter.thisNode( &status ); MFnAnimCurve animCurve( anim, &status ); // Avoid adding duplicate anim curves to the list // Important when dealing with blend nodes MString curveName = animCurve.name(); bool nameExists = false; breakdownList.iterBegin(); Breakdown* bkdn = breakdownList.getCurrent(); while( bkdn != NULL ) { if( bkdn->getAnimCurveFn().name() == curveName ) { nameExists = true; break; } bkdn = breakdownList.getNext(); } if( !nameExists ) { // Create a breakdown and add it to the list Breakdown* newBreakdown = new Breakdown( animCurve, breakdownWeight, breakdownMode, tickDrawSpecial, currentAnimationFrame, isBooleanValue, objID, &status ); // On success, add new breakdown to the list if( status == MS::kSuccess ) { // pluginTrace( "BreakdownCommand", "processConnections", "***Adding Breakdown****" ); breakdownList.add( newBreakdown ); } // If the breakdown failed, determine how to proceed // from the invalidAttrOp flag else { status = MS::kSuccess; // The command fails if there is an invalid // attribute. No breakdowns are set. if( invalidAttrOp == kSkipAll ) { pluginTrace( "BreakdownCommand", "processConnections", "Skipping all objects" ); MGlobal::displayInfo( connections[j].partialName(true) + " --> " + newBreakdown->getErrorMsg()); MGlobal::displayError( "Skipping All Objects (See Script Editor for Invalid Attribute)" ); skipProcessing = true; status = MS::kFailure; break; } // The object is skipped. All breakdowns already // added for attributes on this object will need // to be removed from the list else if( invalidAttrOp == kSkipObject ) { pluginTrace( "BreakdownCommand", "processConnections", "Skipping object: " + objName ); MGlobal::displayInfo( "Skipping Object: " + objName ); breakdownList.deleteBreakdowns( objID ); skipProcessing = true; objectsSkipped = true; break; } // If only invalid attributes are to be skipped // just delete the breakdown and carry on else if( invalidAttrOp == kSkipAttr ) { pluginTrace( "BreakdownCommand", "processConnections", "Skipping attribute: " + connections[j].partialName( true )); MGlobal::displayInfo( "Skipping Attribute: " + connections[j].partialName( true ) + " (" + newBreakdown->getErrorMsg() + ")" ); attributesSkipped = true; } // Clean up memory for discarded breakdowns delete newBreakdown; } } } } } } // Don't keep processing connections if the object // should be skipped (invalid attribute flag) if( skipProcessing ) break; } return status; }